Monthly Archives: February 2009

Plotting PDQ Output with R

February 27, 2009
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Plotting PDQ Output with R

One the nice things about PDQ-R (coming in release 5.0) is the ability to plot PDQ output directly in R. Here's a PDQ-R script, together with the corresponding graphical output, that I knocked up to show the effect on the throughput curve of adding mor...

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R in The Windy City

February 27, 2009
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In honor of me moving to Chicago, the powers who abide have decided to hold the first annual “R/Finance conference for applied finance using R” conference in Chicago this year. The dates are April 24-25, 2009. R/Finance 2009: Applied Finance with R To those who made the decision on location, I’m pleased but slightly embarrassed that you

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Data Analysis Workflow… Part 1 of Infinity

February 26, 2009
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One of the many things that I sit around pondering when I should be doing productive things is the idea of analytical workflow. I have only worked with one analytical guru who I felt really gave thought and structure to workflow and its impact on analyist productivity. When I talk about workflow I mean the

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Review of ‘Applied Econometrics in R’ in JSS

February 25, 2009
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A short review of Kleiber and Zeileis' excellent Applied Econometrics with R is now out at the (online) Journal of Statistical Software.

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Absolutely great resource

February 25, 2009
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A very nice resource which helped me a lot in kickstarting my Sweave efforts is Learning to Sweave in APA Style by clementi on scribd. This is a down to earth tutorial containing a lot of good tips! See for yourself:Learning to Sweave in APA Style ...

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Absolutely great resource

February 25, 2009
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A very nice resource which helped me a lot in kickstarting my Sweave efforts is Learning to Sweave in APA Style by clementi on scribd. This is a down to earth tutorial containing a lot of good tips! See for yourself:Learning to Sweave in APA Style ...

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R/Finance conference in Chicago in April: Registration now open

February 23, 2009
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Regarding the aforementioned R/Finance conference that will take place at the end of April here in Chicago, we announced earlier today that the conference website is now available. It provides information about the program, speakers and other details as well as a link to registration details. See you in Chicago in April!

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Sorry, you said you want a stats revolution?

February 23, 2009
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Sorry, you said you want a stats revolution?

ALL ABOUT REVOLUTION COMPUTING’S R DISTRIBUTION Decision Science News was intrigued by a company called REvolution Computing that got some attention of late for spinning their own mix of the R language for statistical computing and giving it away for free. So DSN asked to interview them to see what it’s all about Decision Science

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Project Euler Problem #15

February 22, 2009
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Problem 15 on Project Euler asks us to find the number of distinct routes between the top left and bottom right corners in a 20×20 grid, with no backtracking allowed. I originally saw this type of problem tackled in the book Notes On Introductory ...

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PDQ-R Lives!

February 22, 2009
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PDQ-R Lives!

After some fiddling to get things linked correctly to the R binaries on my new Macbook, the first PDQ-R test model has run successfully! Here 'tiz ...This is an important step for PDQ development and is due entirely to the efforts of Phil Feller. Natur...

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